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11. If a=-8, b=-7, c=6, verify that (a+b) +c = a + (b+c). |
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Answer» Answer: Step-by-step EXPLANATION: a = -8 b = -7 c = 6 (a+b)+c=a+(b+c) (-8-7)+6 = -8(-7+6) -15+6 = -8-1 -9 = -9 |
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